China Suppliers M20 Dual Directional Microphone with AI Noise Cancellation - Factory Direct High-Quality Audio Solution
Product Description
Product Features
- 4-Microphone Array – Dual independent directional microphones ensure accurate two-way voice pickup.
- AI Noise Cancellation – Reduces background noise for clear and natural communication.
- Dual-Channel Voice Separation – Captures and distinguishes voices from both sides for enhanced accuracy.
- Optimized for AI Translation – Compatible with AI translation software and interactive communication systems.
- Wide Application Compatibility – Suitable for dual-screen displays, translation devices, all-in-one terminals, and voice collection systems.
- Professional Communication Solution – Ideal for government service centers, banks, hotels, customer service counters, interview rooms, and other two-way conversation environments.

Application Fields
- Government Service Centers
- Banks & Financial Institutions
- Hotels & Reception Counters
- AI Translation Systems
- Dual-Screen Interactive Displays
- Customer Service Counters
- Interview & Consultation Rooms
- Voice Collection & Communication Systems
Product Specification Parameters
| Parameter item | Specification |
|---|---|
| Product Name | Dual Directional Microphone Array |
| Model | M20 |
| Microphone Array | 4 Digital Microphones (4-MIC Array) |
| Optimal Pickup Distance | Up to 3 m |
| Audio Sampling Rate | 16 kHz / 48 kHz @ 16-bit |
| Sensitivity | -26 ± 1 dB |
| Signal-to-Noise Ratio (SNR) | 65 dB(A) |
| Voice Suppression | Off-Axis Voice Suppression ≥ 12 dB SPL |
| Noise Reduction | ≥ 20 dB |
| Directional Angle | ≥ 60° (Default) |
| Connector Interface | 1 × USB, 4-Pin 1.25 mm Horizontal SMT Connector |
| USB Power Supply | 5V ± 5% |
| Power Consumption | 0.5 W (5V, Max. 100 mA) |
| Main Board Dimensions | 38 × 38 mm |
Frequently Asked Questions
What is the primary function of the Dual Directional Microphone Array?
It features a 4-microphone array with dual independent directional microphones to ensure accurate two-way voice pickup and clear communication.
How does the AI Noise Cancellation benefit communication?
The AI Noise Cancellation reduces background noise by ≥ 20 dB, allowing for clear and natural voice collection even in busy environments.
What is the optimal voice pickup distance for this device?
The microphone array offers an optimal voice pickup distance of up to 3 meters, making it highly effective for counter-based communication.
Is this microphone array compatible with AI translation systems?
Yes, it is optimized for AI translation software and interactive dual-screen displays, ensuring high accuracy through dual-channel voice separation.
What are the physical dimensions and interface of the main board?
The main board dimensions are 38 × 38 mm, and it utilizes a 1 × USB, 4-Pin 1.25 mm Horizontal SMT Connector interface.














